20222210212 has 12 divisors (see below), whose sum is σ = 35470600396. Its totient is φ = 10087752960.

The previous prime is 20222210201. The next prime is 20222210257. The reversal of 20222210212 is 21201222202.

It can be written as a sum of positive squares in 2 ways, for example, as 860600896 + 19361609316 = 29336^2 + 139146^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5836089 + ... + 5839552.

Almost surely, 2^20222210212 is an apocalyptic number.

It is an amenable number.

20222210212 is a deficient number, since it is larger than the sum of its proper divisors (15248390184).

20222210212 is a wasteful number, since it uses less digits than its factorization.

20222210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11676078 (or 11676076 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20222210212 its reverse (21201222202), we get a palindrome (41423432414).

The spelling of 20222210212 in words is "twenty billion, two hundred twenty-two million, two hundred ten thousand, two hundred twelve".